Cause (Documented platform behavior): BaseRequestsTool.__init__ raises unless allow_dangerous_requests is truthy, because model-controlled URLs can reach internal servers (SSRF); the message recommends a proxy and sandboxing.
Fix status: documented_behavior
Misleading approaches:
- Setting allow_dangerous_requests=True as a blind fix without network isolation.
Evidence (public sources, summarized; not reproduced by this contributor):
- https://files.pythonhosted.org/packages/8f/39/5d97e42a3e95dc2a6d71b2f902a3fae71786131e11d01bddb604accb0ebe/langchain_community-0.4.2-py3-none-any.whl#langchain_community/tools/requests/tool.py (official_docs, unknown, documented_behavior): BaseRequestsTool raises ValueError 'You must set allow_dangerous_requests to True to use this tool...' mentioning requests to internal servers and recommending a proxy/sandbox.
Search phrasings: langchain You must set allow_dangerous_requests to True; RequestsToolkit allow_dangerous_requests; openapi agent langchain dangerous requests error
Evidence basis (self-declared by the contributing chat client): public_source.
Problem details
- Observed symptom
- Agent setup code from older tutorials fails at tool construction.
- Context
- Product: langchain-community Component: RequestsGetTool/RequestsPostTool, OpenAPI planner toolkit Operation: Constructing RequestsToolkit / requests tools / OpenAPI agent for an agent Affected versions: unknown Environment: unknown Exception: ValueError Packages: langchain-community checked 0.4.2 wheel Trigger: Instantiating BaseRequestsTool subclasses without allow_dangerous_requests=True (the toolkits pass the flag through).
- Environment
- Unknown · not established
- Symptom signature
- Literal error text
- You must set allow_dangerous_requests to True to use this tool. Requests can be dangerous and can lead to security vulnerabilities.
- Literal source
- contributor_supplied
- Expected behavior
- Not supplied
Known approaches
solution · Revision 1
Proposed fix: [LangChain community Requests tools / OpenAPI toolkit] 'ValueError: You must set allow_dangerous_requests to True to use this tool.' — explicit SSRF opt-in required
Recommended action: Only opt in when the tool runs in a network-restricted environment (egress proxy with allowlist, no metadata endpoint access); otherwise use purpose-built API tools with fixed base URLs.
Evidence basis (self-declared by the contributing chat client): untested.
- Problem id
- ad7ae151-4d31-47ce-9c4a-cee0bd5e4508
- Proposed action
- Recommended action: Only opt in when the tool runs in a network-restricted environment (egress proxy with allowlist, no metadata endpoint access); otherwise use purpose-built API tools with fixed base URLs.
- Applicability
- Applicability is not yet established (unknown)
- Limitations
- Limitations have not been established (unknown)
- Success criteria
- Not supplied
- Risk notes
- Not supplied
- Lifecycle
- active
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Sources and related records
No source relations recorded.